src/hb-open-type-private.hh | 3 ++- src/hb-ot-shape-complex-arabic.cc | 4 ++-- src/hb-ot-shape-complex-indic.cc | 12 ++++++------ src/hb-ot-shape-complex-myanmar.cc | 2 +- src/hb-ot-shape-complex-use.cc | 2 +- src/hb-private.hh | 5 ++--- src/hb-unicode-private.hh | 4 ++-- 7 files changed, 16 insertions(+), 16 deletions(-)
New commits: commit 6058f98825e8f134893a1bbfb402e45d85b56ff0 Author: Behdad Esfahbod <beh...@behdad.org> Date: Thu Oct 19 11:39:52 2017 -0700 Remove FLAG_SAFE() No flag is safe, over time... See previous commit. diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc index be02e3f7..4a92d410 100644 --- a/src/hb-ot-shape-complex-arabic.cc +++ b/src/hb-ot-shape-complex-arabic.cc @@ -41,7 +41,7 @@ /* See: * https://github.com/behdad/harfbuzz/commit/6e6f82b6f3dde0fc6c3c7d991d9ec6cfff57823d#commitcomment-14248516 */ #define HB_ARABIC_GENERAL_CATEGORY_IS_WORD(gen_cat) \ - (FLAG_SAFE (gen_cat) & \ + (FLAG_UNSAFE (gen_cat) & \ (FLAG (HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED) | \ FLAG (HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE) | \ /*FLAG (HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER) |*/ \ @@ -90,7 +90,7 @@ static unsigned int get_joining_type (hb_codepoint_t u, hb_unicode_general_categ if (likely (j_type != JOINING_TYPE_X)) return j_type; - return (FLAG_SAFE(gen_cat) & + return (FLAG_UNSAFE(gen_cat) & (FLAG(HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK) | FLAG(HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK) | FLAG(HB_UNICODE_GENERAL_CATEGORY_FORMAT)) diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc index 324333c7..05a51369 100644 --- a/src/hb-ot-shape-complex-indic.cc +++ b/src/hb-ot-shape-complex-indic.cc @@ -142,7 +142,7 @@ is_one_of (const hb_glyph_info_t &info, unsigned int flags) { /* If it ligated, all bets are off. */ if (_hb_glyph_info_ligated (&info)) return false; - return !!(FLAG_SAFE (info.indic_category()) & flags); + return !!(FLAG_UNSAFE (info.indic_category()) & flags); } static inline bool @@ -233,7 +233,7 @@ set_indic_properties (hb_glyph_info_t &info) * Re-assign position. */ - if ((FLAG_SAFE (cat) & CONSONANT_FLAGS)) + if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS)) { pos = POS_BASE_C; if (is_ra (u)) @@ -243,7 +243,7 @@ set_indic_properties (hb_glyph_info_t &info) { pos = matra_position (u, pos); } - else if ((FLAG_SAFE (cat) & (FLAG (OT_SM) | FLAG (OT_VD) | FLAG (OT_A) | FLAG (OT_Symbol)))) + else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_VD) | FLAG (OT_A) | FLAG (OT_Symbol)))) { pos = POS_SMVD; } @@ -968,7 +968,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan, indic_position_t last_pos = POS_START; for (unsigned int i = start; i < end; i++) { - if ((FLAG_SAFE (info[i].indic_category()) & (JOINER_FLAGS | FLAG (OT_N) | FLAG (OT_RS) | MEDIAL_FLAGS | HALANT_OR_COENG_FLAGS))) + if ((FLAG_UNSAFE (info[i].indic_category()) & (JOINER_FLAGS | FLAG (OT_N) | FLAG (OT_RS) | MEDIAL_FLAGS | HALANT_OR_COENG_FLAGS))) { info[i].indic_position() = last_pos; if (unlikely (info[i].indic_category() == OT_H && @@ -1538,7 +1538,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan, { new_reph_pos = base; while (new_reph_pos + 1 < end && - !( FLAG_SAFE (info[new_reph_pos + 1].indic_position()) & (FLAG (POS_POST_C) | FLAG (POS_AFTER_POST) | FLAG (POS_SMVD)))) + !( FLAG_UNSAFE (info[new_reph_pos + 1].indic_position()) & (FLAG (POS_POST_C) | FLAG (POS_AFTER_POST) | FLAG (POS_SMVD)))) new_reph_pos++; if (new_reph_pos < end) goto reph_move; @@ -1688,7 +1688,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan, /* Apply 'init' to the Left Matra if it's a word start. */ if (info[start].indic_position () == POS_PRE_M && (!start || - !(FLAG_SAFE (_hb_glyph_info_get_general_category (&info[start - 1])) & + !(FLAG_UNSAFE (_hb_glyph_info_get_general_category (&info[start - 1])) & FLAG_RANGE (HB_UNICODE_GENERAL_CATEGORY_FORMAT, HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK)))) info[start].mask |= indic_plan->mask_array[INIT]; diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc index 1f43ac7c..a2cacac5 100644 --- a/src/hb-ot-shape-complex-use.cc +++ b/src/hb-ot-shape-complex-use.cc @@ -424,7 +424,7 @@ reorder_syllable (hb_buffer_t *buffer, unsigned int start, unsigned int end) { syllable_type_t syllable_type = (syllable_type_t) (buffer->info[start].syllable() & 0x0F); /* Only a few syllable types need reordering. */ - if (unlikely (!(FLAG_SAFE (syllable_type) & + if (unlikely (!(FLAG_UNSAFE (syllable_type) & (FLAG (virama_terminated_cluster) | FLAG (standard_cluster) | FLAG (broken_cluster) | diff --git a/src/hb-private.hh b/src/hb-private.hh index 3c004928..17f798cb 100644 --- a/src/hb-private.hh +++ b/src/hb-private.hh @@ -1001,11 +1001,10 @@ hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2, T lo3, T hi3) /* Useful for set-operations on small enums. * For example, for testing "x â {x1, x2, x3}" use: - * (FLAG_SAFE(x) & (FLAG(x1) | FLAG(x2) | FLAG(x3))) + * (FLAG_UNSAFE(x) & (FLAG(x1) | FLAG(x2) | FLAG(x3))) */ #define FLAG(x) (ASSERT_STATIC_EXPR_ZERO ((x) < 32) + (1U << (x))) -#define FLAG_SAFE(x) (1U << (x)) -#define FLAG_UNSAFE(x) ((x) < 32 ? FLAG_SAFE(x) : 0) +#define FLAG_UNSAFE(x) ((x) < 32 ? (1U << (x)) : 0) #define FLAG_RANGE(x,y) (ASSERT_STATIC_EXPR_ZERO ((x) < (y)) + FLAG(y+1) - FLAG(x)) diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh index 44a7471c..ac17f283 100644 --- a/src/hb-unicode-private.hh +++ b/src/hb-unicode-private.hh @@ -357,13 +357,13 @@ extern HB_INTERNAL const hb_unicode_funcs_t _hb_unicode_funcs_nil; /* Misc */ #define HB_UNICODE_GENERAL_CATEGORY_IS_MARK(gen_cat) \ - (FLAG_SAFE (gen_cat) & \ + (FLAG_UNSAFE (gen_cat) & \ (FLAG (HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK) | \ FLAG (HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK) | \ FLAG (HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK))) #define HB_UNICODE_GENERAL_CATEGORY_IS_NON_ENCLOSING_MARK_OR_MODIFIER_SYMBOL(gen_cat) \ - (FLAG_SAFE (gen_cat) & \ + (FLAG_UNSAFE (gen_cat) & \ (FLAG (HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK) | \ FLAG (HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK) | \ FLAG (HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL))) commit 7c561dacc3c5fb9306db8bda27b7289331bd523f Author: Behdad Esfahbod <beh...@behdad.org> Date: Thu Oct 19 11:35:51 2017 -0700 [myanmar] Fix unsafe usage of FLAG_SAFE() The commit f559c633073f63b9d87cb2440048b4413cfa1c05 caused "undefined-shift" errors in Myanmar shaper as we changed the numeric value of type D from 19 to 32 there, making the "FLAG_SAFE (info.myanmar_category())" wrong. Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3546 diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc index 8b8e4172..f446fe62 100644 --- a/src/hb-ot-shape-complex-myanmar.cc +++ b/src/hb-ot-shape-complex-myanmar.cc @@ -154,7 +154,7 @@ is_one_of (const hb_glyph_info_t &info, unsigned int flags) { /* If it ligated, all bets are off. */ if (_hb_glyph_info_ligated (&info)) return false; - return !!(FLAG_SAFE (info.myanmar_category()) & flags); + return !!(FLAG_UNSAFE (info.myanmar_category()) & flags); } static inline bool commit d6f612fac800c31989c298b5101845baed2297b1 Author: Behdad Esfahbod <beh...@behdad.org> Date: Tue Oct 17 16:32:12 2017 -0700 [bsearch] Micro-optimization diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh index bed5eea2..f25341a8 100644 --- a/src/hb-open-type-private.hh +++ b/src/hb-open-type-private.hh @@ -1047,11 +1047,12 @@ struct SortedArrayOf : ArrayOf<Type, LenType> inline int bsearch (const SearchType &x) const { /* Hand-coded bsearch here since this is in the hot inner loop. */ + const Type *array = this->array; int min = 0, max = (int) this->len - 1; while (min <= max) { int mid = (min + max) / 2; - int c = this->array[mid].cmp (x); + int c = array[mid].cmp (x); if (c < 0) max = mid - 1; else if (c > 0)
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